Dr. Xavier Nsabagasani is a behavioural scientist with diverse experiences in monitoring and evaluation of complex interventions and action research studies. Xavier has specialized in health policies, health systems, provision of: child and maternal health, malaria, pneumonia, HIV/AIDS, nutrition, gender analysis, health (maternal health, malaria, pneumonia, and diarrhea) education, agriculture, sustainable livelihood analysis, environment, microfinance, conflict and transition from conflict to normal situation.